*{
    margin:0;
    padding: 0;
}

a:link,a:visited,a:hover,a:active{
    outline: none;
    text-decoration: none;
}

body{
    font-family: 微软雅黑, "Lucida Grande", "Lucida Sans Unicode", Arial, sans-serif;
    background-color: #d9d9d9;
}